Epson Stylus Photo R1900 Service Manual page 151

EPSON Stylus Photo R1900/R2880/R2000
Check for any dirt on the PF Roller Shaft when performing the
C A U T I O N
following procedure.
5. Set the jig in place on the PF Roller Shaft as shown in the figure below.

Left side: Inside of PF Roller left end (E-ring)

Right side: Clearance between PF Roller right end (Right Bushing 8) and left
end of Upper Paper Guide

Center: Clearance between the 2nd Upper Paper Guide and 3rd one from
the left
Figure 5-15. Setting the PF Roller Shaft Position Adjustment Jig (2)
Adjustment
6. Turn the Center Support Bushing Cam so that the long hand position is +30 from
the "0" adjustment position.

Standard Value: 30 ± 50m
A D J U S T M E N T
R E Q U I R E D
 Adjustment Resolution: 50
 +30 must be set to compensate for the thickness of the coating
C A U T I O N
on the PF Roller Shaft.
 Make sure that the position of the short hand is the same as at
"0" adjustment.
The figure below shows the positional relationship between the
C H E C K
Center Support Bushing Cam and the Dial Gage.
P O I N T
Center Support
Bushing Cam
Figure 5-16. Positional Relationship between Center Support
7. Tighten the Center Support Bushing Cam and the Center Support Bushing with the
screws.
Check the adjustment value again as it deviates slightly when the
C A U T I O N
screw is tightened.
The following page shows print samples when adjustment of the PF Roller Shaft Center
Support Positions are inside and outside the specified value range.
Adjustment
 down
Bushing Cam and the Dial Gage
Revision E
 up
151
Confidential